mirror of
https://github.com/goharbor/harbor.git
synced 2024-12-22 00:27:44 +01:00
83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
/*
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Copyright (c) 2016 VMware, Inc. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package auth
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import (
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"fmt"
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"net/http"
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"time"
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au "github.com/docker/distribution/registry/client/auth"
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"github.com/vmware/harbor/utils"
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"github.com/vmware/harbor/utils/registry"
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)
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// Authorizer authorizes requests according to the schema
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type Authorizer interface {
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// Scheme : basic, bearer
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Scheme() string
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//Authorize adds basic auth or token auth to the header of request
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Authorize(req *http.Request, params map[string]string) error
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}
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// AuthorizerStore holds a authorizer list, which will authorize request.
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// And it implements interface Modifier
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type AuthorizerStore struct {
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authorizers []Authorizer
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challenges []au.Challenge
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}
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// NewAuthorizerStore ...
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func NewAuthorizerStore(endpoint string, insecure bool, authorizers ...Authorizer) (*AuthorizerStore, error) {
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endpoint = utils.FormatEndpoint(endpoint)
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client := &http.Client{
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Transport: registry.GetHTTPTransport(insecure),
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Timeout: 30 * time.Second,
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}
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resp, err := client.Get(buildPingURL(endpoint))
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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challenges := ParseChallengeFromResponse(resp)
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return &AuthorizerStore{
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authorizers: authorizers,
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challenges: challenges,
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}, nil
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}
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func buildPingURL(endpoint string) string {
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return fmt.Sprintf("%s/v2/", endpoint)
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}
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// Modify adds authorization to the request
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func (a *AuthorizerStore) Modify(req *http.Request) error {
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for _, challenge := range a.challenges {
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for _, authorizer := range a.authorizers {
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if authorizer.Scheme() == challenge.Scheme {
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if err := authorizer.Authorize(req, challenge.Parameters); err != nil {
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return err
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}
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}
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}
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}
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return nil
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}
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